Kim Grundy is a mom, writer, expert laundry folder and sandwich maker, not necessarily in that order. Raised in Oklahoma, she is now a West Coast gal and lives in California with her husband and two sons, along with one dog, two fish (oo...

Celebrity moms on social media: Jessica Simpson gives us major hair envy with her new photo

We rounded up the most buzz-worthy celebrity moms on Twitter and Instagram this week including Kristin Cavallari, who posted this cute throwback as she pumps breast milk in the airport bathroom. Maci Bookout shares the first photo of her daughter Jayde, while Jessa Duggar keeps fans updated on her baby bump. Jamie Lynn Spears and Jessica Simpson’s adorable family photo rounds out our list of trending celebrity moms on social media.

Currently pregnant with her third child, Kristin Cavallari posted this throwback photo in which she holds a breast pump. "Pumping in airport bathrooms. Feel like I JUST put all my pumping essentials away won't be long before I'm at it again," she captioned the photo, which shows her holding a breast pump while smirking into the camera.

The Laguna Beach alum has two kids, 2-year-old Camden and 1-year-old Jaxon, and is expecting her third child with her husband, Chicago Bears quarterback Jay Cutler.

Maci Bookout

Teen Mom star Maci Bookout shared the first photo of her daughter, Jayde Carter, on her boyfriend Taylor McKinney’s Instagram page. This is the first photo she has posted of her baby girl, who was born in May. The 23-year-old also has a 6-year-old son named Bentley from a previous relationship.

Bookout teased she was going to share the photo by tweeting, "Who wants to see a picture of baby Jayde?"

McKinny re-tweeted her thoughts and added, “Internet meltdown in 3...2…”

In case you were wondering, there was no internet meltdown.

Jessa Duggar

Jessa Duggar shared a new photo of her growing baby bump on her Instagram page. "At #22Weeks, #BabySeewald now weighs just over a pound!" she captioned the photo, which shows her wearing a bump-hugging shirt paired with a pink skirt.

Gwyneth Paltrow

When your mom is Gwyneth Paltrow, seeing Taylor Swift in concert means you also get to hang with her backstage. The actress posted this picture of herself and her son, Moses, hanging with the singer after a London concert. "Thanks for giving me and my little man our best date night ever," she captioned the photo.

Jessica Simpson

Jessica Simpson has the cutest kids ever. Seriously. She celebrated Ace’s second birthday with her daughter Maxwell and boyfriend Eric Johnson as the kids showed off their balloon creations. Simpson passed on her good hair gene to her daughter, Maxwell.

"2 yrs OLD?!?! Can we live here forever? I love you Ace Knute Johnson. Happy Birthday!" she captioned another photo of the smiling tot.